Fig. 1 (c)-Focal mechanism of large earthquakes (after Havard CMT)
Fig. 2 Energie cumulee janivier mars 1999 and IPGP/ISERST Observatoire d'Artra
Fig. 3 The results of composite focal mechanism in Ghoubet (a) and Damerale (b) for 28 and 13 events respectively